Home / 386,276,005.20-579,414,007.80-182,202,661.20

Finding the Fourth Proportional to 386,276,005.20, 579,414,007.80 and 182,202,661.20

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Solution

The fourth proportional to 386,276,005.20, 579,414,007.80 and 182,202,661.20 is: 273,303,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,276,005.20 : 579,414,007.80 = 182,202,661.20 : x
  2. Step 2: Convert to fraction form
    386,276,005.20/579,414,007.80 = 182,202,661.20/x
  3. Step 3: Cross multiply
    386,276,005.20x = 579,414,007.80 × 182,202,661.20
  4. Step 4: Simplify right side
    386,276,005.20x = 105,570,774,157,717,536
  5. Step 5: Solve for x
    x = 105,570,774,157,717,536/386,276,005.20
  6. Step 6: Final answer
    x = 273,303,991.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.